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ACL 4B8351H STD Standard Performance Bearing Review

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Average

Revainrating 3 out of 5Β Β 
RatingΒ 
3.0
πŸš€ Engines & Engine Parts, 🏎️ Performance Car Parts & Accessories

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img 1 attached to ACL 4B8351H STD Standard Performance Bearing
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Description of ACL 4B8351H STD Standard Performance Bearing

Package height :2.54 cm. Package length :13.462 cm. Package width :6.096 cm. Package Weight :0.068 kg.

Reviews

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Type of review

Revainrating 3 out of 5

Game is too big compared to OEM bearings

Even with the suffix STD bearings they are too big. I've been waiting to write this review until I broke my rebuilt engine. When I plastigauged the old bearing clearance at 100,000 miles it was still within spec for the Miata 1.8L BPZ3 engine (0.8k to 1.4k) at around 1.2. I put these bearings in and remeasured and measured 1 mile on all the freeways. I also installed ACL roller bearings for the cranks and they were above spec as well. While the engine is running normally there is a little more…

Pros
  • Package width: 6.096cm
Cons
  • I don't remember but there was something